Universal fluctuations: a new approach to the study of phase transitions in intermediate energy heavy ion collisions

Abstract : The universal theory of order parameter fluctuations (D-scaling laws) is applied to a wide range of intermediate energy heavy-ion collision data obtained with INDRA. This systematic study confirms that the observed fragment production is compatible with aggregation scenarios for in- or out-of-equilibrium continuous phase transitions, while not showing any sign of critical behaviour or phase coexistence. We stress the importance of the methodology employed in order to gain further insight into the mechanism(s) responsible.
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Submitted on : Monday, January 15, 2007 - 2:58:40 PM
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J.D. Frankland, R. Bougault, A. Chbihi, S. Hudan, A. Mignon, et al.. Universal fluctuations: a new approach to the study of phase transitions in intermediate energy heavy ion collisions. International Workshop on Multifragmentation and Related Topics, Nov 2001, Catania, Italy. pp.84-90. ⟨in2p3-00012233⟩

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